package com.th.diy;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;

/**
 * @author ThreePure
 * @date 20/12/20 17:39
 * @description:TODO
 * @since 1.8
 */
@Aspect
public class AnnotationPointCut {
    @Before("execution(* com.th.service.UserServiceImpl.*(..))")
    public void before(){
        System.out.println("============方法执行前==========");
    }

    @After("execution(* com.th.service.UserServiceImpl.*(..))")
    public void after(){
        System.out.println("============方法执行后==========");
    }

    /**在环绕增强中，我们可以给一个参数，代表我们要获取切入的点*/
    @Around("execution(* com.th.service.UserServiceImpl.*(..))")
    public void around(ProceedingJoinPoint joinPoint) throws Throwable {
        System.out.println("环绕前");
        //获得签名
        Signature signature = joinPoint.getSignature();
        System.out.println("signature:"+signature);
        Object proceed = joinPoint.proceed();
        System.out.println("环绕后");
        System.out.println(proceed);
    }
}
